212222202200100 has 108 divisors (see below), whose sum is σ = 665241587896704. Its totient is φ = 56588938741440.

The previous prime is 212222202200081. The next prime is 212222202200119. The reversal of 212222202200100 is 1002202222212.

212222202200100 is a `hidden beast` number, since 2 + 1 + 222 + 220 + 220 + 0 + 1 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (212222202200081) and next prime (212222202200119).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6380997 + ... + 21567603.

Almost surely, 2^{212222202200100} is an apocalyptic number.

212222202200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222202200100 is an abundant number, since it is smaller than the sum of its proper divisors (453019385696604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212222202200100 is a wasteful number, since it uses less digits than its factorization.

212222202200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15202154 (or 15202144 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212222202200100 its reverse (1002202222212), we get a palindrome (213224404422312).

The spelling of 212222202200100 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred two million, two hundred thousand, one hundred".